Pelco 13VDIR2811 1/3" Varifocal Lens (1/3", Auto Iris, Day / Night, 2.8-11mm, CS)

The purpose of the Pelco Varifocal 13VDIR2811 is to compensate for the focus shift that results from the different wavelengths of visible and IR light. IR corrected lenses focus light energy on the same plane. The result is better focus, sharper contrast, and better overall image quality.